Mercedes GL-Class (2017) is 918 mm (36.14 inch) longer, 188 mm (7.40 inch) wider, 404 mm (15.91 inch) higher and has 300 liters (10.59 ft3) bigger cargo space than Seat Leon SC (2014).
Seat Leon SC (2014) is 1391 kg (3,067 lbs) lighter than Mercedes GL-Class (2017).